Perceptual validation of auralized heavy-duty vehicles

Bergman, Penny,1982Chalmers tekniska högskola,Chalmers University of Technology (författare)

Auralization is a valuable tool when evaluating the effect of traffic noise on people. The present study focuses on the validation of auralization of heavy-duty vehicles with a diesel engine. To capture the characteristics of the diesel engine a granular approach has been used. The granular approach has proven to be successful in a previous validation test examining two microphone positions around a still-standing truck. In the present study a granular approach was used to achieve pass-by noise at an artificial listening position alongside a Volvo truck (experiment 1) and pass-by noise inside an apartment (experiment 2). The aim of experiment 1 was to determine the number of interpolated sets of grains needed, in order to create a perceptually valid auralized signal. The results were used in the auralization of pass-by noise in an apartment in experiment 2. 20 and 15 participants respectively rated original recordings and auralized signals on four different attributes: realism, annoyance, and emotional response measured by valence and arousal. The results of both experiments suggest that auralizations of heavy-duty vehicles are successful and usable. It further indicates that what distinguish the auralized signals from the original recordings is mostly the arousal responses.

Pieringer, Astrid,1979Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)pieringe (författare)
Forssén, Jens,1968Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jf (författare)
Höstmad, Patrik,1974Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)patrikan (författare)
Chalmers tekniska högskola (creator_code:org_t)

Av författaren/redakt...: Bergman, Penny, ...; Pieringer, Astri ...; Forssén, Jens, 1 ...; Höstmad, Patrik, ...

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TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Maskinteknik; och Farkostteknik

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